Find the inverse of the function.f(x) = 
A. f-1(x) = 
- 2
B. f-1(x) = (x + 2)3
C. f-1(x) = (x - 2)3
D. f-1(x) = x3 + 2
Answer: D
Mathematics
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Factor when possible.81 - x2
A. (9 - x)2 B. (9 + x)2 C. (9 - x)(9 + x) D. prime
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Solve the equation by the zero-factor property.2x2 - 3x - 5 = 0
A. 
B. 
C. 
D. 
Mathematics
Using the variable x, write the interval as an inequality.
A. -6 ? x ? 5 B. -6 ? x < 5 C. -6 < x ? 5 D. -6 < x < 5
Mathematics
Find the center of mass of the particles with the given masses located at the given points.11 at (-2.9, 0), 17 at (4.6, 0), 31 at (6.9, 0)
A. 
= 6.9, 
= 0
B. 
= 30, 
= 0
C. 
= 4.4, 
= 0
D. 
= 1.1, 
= 0
Mathematics